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2019-06-26View Original

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Reply #22019-06-28
Translate the following. 气化炉煤粉速度计经常出现波动一下又恢复 into Japanese.
Reply #32019-07-05
本帖最后由 sdwfsgyykai 于 2019-7-23 07:43 编辑 第一种可能就是本身速度就低了,再有就是不知道你使用的是哪一家的速度计,在现场检测元件电路板里修改参数,这种情况应该是因为速度信号太弱了,可多交流,我们项目用国产的比较早
Reply #42019-07-19
会不会是进料的不稳定导致,
Reply #52019-07-22
有可能工况就是这样,有可能测量元件有问题了
Reply #62019-07-23
还有一种可能,测量元件和回路的屏蔽没有做好,不能克服外部电磁干扰,如对讲机、手机、电焊机等的影响,有时震动(如紧固螺丝等)也会产生此种效果
Reply #72019-07-25
波动很正常,测煤粉的速度计很难测准
Reply #82019-12-26
这种情况有两种可能: 1. 本身输煤管道内发生了波动;2. 工艺煤粉电特性变化较大导致被测量范围超范围,测量输出不准;具体要原因可通过看当时的输出曲线核对分析
Reply #92019-12-26
应该测得很准的, 波动很多时候试管内煤粉速度的波动
Reply #102019-12-26
我们的流量计也时常波动,煤粉水分高的时候出现频率较高,大部分是物料的原因,从炉况可以判断,如果炉况没有变化再考虑仪表问题
Reply #112019-12-30
一般人认识不到这个问题:)

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